Added Reverb Zones, but they don't work (Godot bug?)

Game/Map.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=19 format=3 uid="uid://b1078bn8gy2qf"]
+[gd_scene load_steps=23 format=3 uid="uid://b1078bn8gy2qf"]
 
 [ext_resource type="PackedScene" path="res://Assets/MapComponents/SpawnPoint.tscn" id="1"]
 [ext_resource type="PackedScene" uid="uid://caipucfu7hjkk" path="res://Assets/Props/BeerCan.tscn" id="1_ecbkv"]
@@ -20,6 +20,18 @@ width = 2048
 height = 2048
 noise = SubResource( "OpenSimplexNoise_8aprf" )
 
+[sub_resource type="BoxShape3D" id="BoxShape3D_on65k"]
+size = Vector3(61.2473, 26.9827, 39.3003)
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_iekbm"]
+size = Vector3(21.6411, 9.90431, 5.14328)
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_ifsu4"]
+size = Vector3(9.57142, 4.33482, 7.24653)
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_yyeg3"]
+size = Vector3(4.98326, 6.23288, 20.4744)
+
 [sub_resource type="PhysicalSkyMaterial" id="1"]
 
 [sub_resource type="Sky" id="2"]
@@ -232,6 +244,72 @@ spot_range = 9.47919
 spot_angle = 65.7864
 script = null
 
+[node name="ReverbZones" type="Node3D" parent="."]
+script = null
+__meta__ = {
+"_edit_lock_": true
+}
+
+[node name="Main" type="Area3D" parent="ReverbZones"]
+collision_layer = 0
+collision_mask = 0
+input_ray_pickable = false
+monitoring = false
+reverb_bus_enable = true
+reverb_bus_name = &"Reverb Large"
+reverb_bus_amount = 1.0
+script = null
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="ReverbZones/Main"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 6.01681, 12.2897, 1.01584)
+shape = SubResource( "BoxShape3D_on65k" )
+script = null
+
+[node name="Corridor" type="Area3D" parent="ReverbZones"]
+collision_layer = 0
+collision_mask = 0
+input_ray_pickable = false
+monitoring = false
+reverb_bus_enable = true
+reverb_bus_name = &"Reverb Medium"
+reverb_bus_amount = 0.48
+script = null
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="ReverbZones/Corridor"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 11.8632, 7.63442, -20.0522)
+shape = SubResource( "BoxShape3D_iekbm" )
+script = null
+
+[node name="Tunnel" type="Area3D" parent="ReverbZones"]
+collision_layer = 0
+collision_mask = 0
+input_ray_pickable = false
+monitoring = false
+reverb_bus_enable = true
+reverb_bus_name = &"Reverb Small"
+reverb_bus_amount = 0.47
+script = null
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="ReverbZones/Tunnel"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 13.3958, 1.69262, -0.0602102)
+shape = SubResource( "BoxShape3D_ifsu4" )
+script = null
+
+[node name="Bridge" type="Area3D" parent="ReverbZones"]
+collision_layer = 0
+collision_mask = 0
+input_ray_pickable = false
+monitoring = false
+reverb_bus_enable = true
+reverb_bus_name = &"Reverb Medium"
+reverb_bus_amount = 0.43
+script = null
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="ReverbZones/Bridge"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.156265, 2.97812, -0.0602102)
+shape = SubResource( "BoxShape3D_yyeg3" )
+script = null
+
 [node name="ReflectionProbes" type="Node3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 12.8418, -0.943157)
 script = null

Game/default_bus_layout.tres

@@ -1,4 +1,4 @@
-[gd_resource type="AudioBusLayout" load_steps=4 format=3 uid="uid://b1tuvipfxjwsx"]
+[gd_resource type="AudioBusLayout" load_steps=7 format=3 uid="uid://bo2748emkln7r"]
 
 [sub_resource type="AudioEffectLimiter" id="AudioEffectLimiter_34kb8"]
 resource_name = "Limiter"
@@ -17,6 +17,33 @@ ratio = 1.6
 attack_us = 50.0
 release_ms = 50.0
 
+[sub_resource type="AudioEffectReverb" id="AudioEffectReverb_cavki"]
+resource_name = "Reverb"
+predelay_msec = 101.0
+predelay_feedback = 0.0
+room_size = 0.91
+damping = 0.42
+dry = 0.0
+wet = 1.0
+
+[sub_resource type="AudioEffectReverb" id="AudioEffectReverb_fo0rq"]
+resource_name = "Reverb"
+predelay_msec = 51.0
+predelay_feedback = 0.0
+room_size = 0.59
+damping = 0.42
+dry = 0.0
+wet = 1.0
+
+[sub_resource type="AudioEffectReverb" id="AudioEffectReverb_kj6q8"]
+resource_name = "Reverb"
+predelay_msec = 20.0
+predelay_feedback = 0.68
+room_size = 0.29
+damping = 0.25
+dry = 0.0
+wet = 1.0
+
 [resource]
 bus/0/effect/0/effect = SubResource( "AudioEffectLimiter_34kb8" )
 bus/0/effect/0/enabled = true
@@ -30,3 +57,27 @@ bus/1/effect/0/effect = SubResource( "AudioEffectReverb_oi6lo" )
 bus/1/effect/0/enabled = true
 bus/1/effect/1/effect = SubResource( "AudioEffectCompressor_u7mct" )
 bus/1/effect/1/enabled = true
+bus/2/name = &"Reverb Large"
+bus/2/solo = false
+bus/2/mute = false
+bus/2/bypass_fx = false
+bus/2/volume_db = 0.0
+bus/2/send = &"Master"
+bus/2/effect/0/effect = SubResource( "AudioEffectReverb_cavki" )
+bus/2/effect/0/enabled = true
+bus/3/name = &"Reverb Medium"
+bus/3/solo = false
+bus/3/mute = false
+bus/3/bypass_fx = false
+bus/3/volume_db = 0.0
+bus/3/send = &"Master"
+bus/3/effect/0/effect = SubResource( "AudioEffectReverb_fo0rq" )
+bus/3/effect/0/enabled = true
+bus/4/name = &"Reverb Small"
+bus/4/solo = false
+bus/4/mute = false
+bus/4/bypass_fx = false
+bus/4/volume_db = 0.0
+bus/4/send = &"Master"
+bus/4/effect/0/effect = SubResource( "AudioEffectReverb_kj6q8" )
+bus/4/effect/0/enabled = true